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Chinese Journal of High Pressure Physics  > 2007  >  21(1): 71-76 .
PEI Xiao-Yang, LI Ping, DONG Yu-Bin. 2D Numerical Simulation of Spallation in Three Steels with the Damage Function Model[J]. Chinese Journal of High Pressure Physics, 2007, 21(1): 71-76 . doi: 10.11858/gywlxb.2007.01.012
Citation: PEI Xiao-Yang, LI Ping, DONG Yu-Bin. 2D Numerical Simulation of Spallation in Three Steels with the Damage Function Model[J]. Chinese Journal of High Pressure Physics, 2007, 21(1): 71-76 . doi: 10.11858/gywlxb.2007.01.012
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2D Numerical Simulation of Spallation in Three Steels with the Damage Function Model

doi: 10.11858/gywlxb.2007.01.012
  • 1.

    Institute of Fluid Physics, CAEP, Mianyang 621900, China;

  • 2.

    Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China

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  • Corresponding author: PEI Xiao-Yang
  • Received Date: 09 Mar 2006
  • Rev Recd Date: 17 May 2006
  • Publish Date: 05 Mar 2007
    Abstract
  • A damage function model is implemented in 2D finite element code-DEFEL, with which the simulation of plate surface spallation testing is performed by using the material parameters of three type steel, HR-2, 2169 and 45. The effect of strain-hardening and Bauschinger are taken into account. The calculated free-surface velocity-time relation curves are consistent with the experimental results. The damage distribution and its development in the spalled layers are also given from the numerical results. The spall strength of materials from simulation is higher than that from acoustical approximation, but lower than theoretical spall strength. The analysis of the differences among them shows that the simulation is reasonable.

     

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    • References(16)
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